Journal Article Case Reports Research Support, Non-U.S. Gov't AICDA (Activation-Induced Cytidine Deaminase) ATP Binding Cassette Transporter, Subfamily B, Member 2 Autoimmune cytopenia Cytidine Deaminase EC 2.7.1.11 EC 2.7.11.1 EC 3.5.4.- EC 3.5.4.5 Hepatitis B Histocompatibility Antigens Class I Hyper IgE syndrome Immunoglobulin M Interleukin 1 Receptor Antagonist Protein Interleukin-1alpha Intracellular Signaling Peptides and Proteins MHC class I deficiency Novel mutation Protein Serine-Threonine Kinases Receptors, Interleukin-1 Research Support, N.I.H., Extramural Review STK4 deficiency STK4 protein, human T cell deficiency TAP1 TAP1 protein, human